Finding the Fourth Proportional to 55,447, 76,519.59 and 31,575.90

Step by Step Solution

1. Step 1: Write the proportion equation
   55,447 : 76,519.59 = 31,575.90 : x
2. Step 2: Convert to fraction form
   55,447/76,519.59 = 31,575.90/x
3. Step 3: Cross multiply
   55,447x = 76,519.59 × 31,575.90
4. Step 4: Simplify right side
   55,447x = 2,416,174,921.88
5. Step 5: Solve for x
   x = 2,416,174,921.88/55,447
6. Step 6: Final answer
   x = 43,576.30